<!DOCTYPE html>
<html lang="en">

<body>
	<!-- jQuery will change this -->
	<a href=""></a>
	<!-- to this <a href="http://www.jquery.com">jQuery</a> -->
	<script
		src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
	<script>
		jQuery('a').text('jQuery').attr('href', 'http://www.jquery.com');
	</script>
</body>

</html>